MPSC PYQ

Glycolysis

Glycolysis is a Science & Technology concept from the MPSC syllabus, tested in 2 past MPSC questions (2021, 2022). Below are those real questions with their correct answers and explanations.

Real questions
2
Years tested
2 · 2021–2022
In context
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Real questions that test this

खालीलपैकी कोणती प्रक्रिया श्वसन प्रक्रियेत अंतर्भूत नाही ? Which among the following is not involved in Respiratory Process ?

1)(1) केल्व्हिन सायकल / Calvin cycle✓ Correct
2)(2) सायट्रीक ॲसिड सायकल / Citric acid cycle
3)(3) ग्लायकोलीसिस / Glycolysis
4)(4) इलेक्ट्रॉन ट्रान्सपोर्ट चेन / Electron transport chain

The Calvin cycle is part of photosynthesis (dark reaction), not respiration. Respiration involves glycolysis, Kreb's (citric acid) cycle, and electron transport chain.

झाडांच्या श्वासोच्छवासाच्या क्रेब्च्या चक्रादरम्यान खालीलपैकी कोणत्या प्रक्रियेद्वारे फ्यूमॅरीक अॅसिडचे रूपांतर मॅलीक अॅसिड मध्ये होते ? During Krebs cycle in respiration, fumaric acid gets converted into malic acid by

1)डिकार्बोक्सिलेशन (decarboxylation)
2)डिहायड्रोजिनीनेशन (dehydrogenation)
3)डिहायड्रेशन (dehydration)
4)हायड्रेशन (hydration)✓ Correct

During the Krebs cycle (citric acid cycle) in cellular respiration, fumaric acid is converted into malic acid through the addition of a water molecule, which is known as a hydration reaction. Note: MPSC's official key gives option 2 (dehydrogenation), but the fumarate-to-malate step is catalysed by fumarase and adds a water molecule, which is hydration; this site keeps the scientifically correct answer.

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